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Finding the Fourth Proportional to 2,618.01, 3,927.06 and 1,230.58

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Solution

The fourth proportional to 2,618.01, 3,927.06 and 1,230.58 is: 1,845.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618.01 : 3,927.06 = 1,230.58 : x
  2. Step 2: Convert to fraction form
    2,618.01/3,927.06 = 1,230.58/x
  3. Step 3: Cross multiply
    2,618.01x = 3,927.06 × 1,230.58
  4. Step 4: Simplify right side
    2,618.01x = 4,832,561.49
  5. Step 5: Solve for x
    x = 4,832,561.49/2,618.01
  6. Step 6: Final answer
    x = 1,845.89

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.